/* This file is part of the Palabos library.
 *
 * The Palabos softare is developed since 2011 by FlowKit-Numeca Group Sarl
 * (Switzerland) and the University of Geneva (Switzerland), which jointly
 * own the IP rights for most of the code base. Since October 2019, the
 * Palabos project is maintained by the University of Geneva and accepts
 * source code contributions from the community.
 *
 * Contact:
 * Jonas Latt
 * Computer Science Department
 * University of Geneva
 * 7 Route de Drize
 * 1227 Carouge, Switzerland
 * jonas.latt@unige.ch
 *
 * The most recent release of Palabos can be downloaded at
 * <https://palabos.unige.ch/>
 *
 * The library Palabos is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * The library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <cmath>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <vector>

#include "palabos3D.h"
#include "palabos3D.hh"

using namespace plb;
using namespace std;
typedef double T;

int main(int argc, char *argv[])
{
    plbInit(&argc, &argv);

    global::directories().setOutputDir("./tmp/");

    const int N = 300;
    ImageWriter<T> imageWriter("leeloo");

    MultiScalarField3D<T> xCoord(N + 1, N + 1, N + 1);
    MultiScalarField3D<T> yCoord(N + 1, N + 1, N + 1);
    MultiScalarField3D<T> zCoord(N + 1, N + 1, N + 1);

    const T pi = (T)4. * std::atan((T)1.);
    setToCoordinate(xCoord, xCoord.getBoundingBox(), 0);
    multiplyInPlace(xCoord, (T)2. * pi / (T)N);
    setToCoordinate(yCoord, yCoord.getBoundingBox(), 1);
    multiplyInPlace(yCoord, (T)2. * pi / (T)N);
    setToCoordinate(zCoord, zCoord.getBoundingBox(), 2);
    multiplyInPlace(zCoord, (T)2. * pi / (T)N);

    MultiScalarField3D<T> wave(N + 1, N + 1, N + 1);

    T(*Tsin)
    (T) = std::sin;  // Explicit reference to the overloaded "sin" is required for automatic
                     // template instantiation.
    T(*Tcos)
    (T) = std::cos;  // Explicit reference to the overloaded "cos" is required for automatic
                     // template instantiation.
    multiply(*evaluate(Tsin, xCoord), *evaluate(Tcos, yCoord), wave, wave.getBoundingBox());

    imageWriter.writeScaledGif("wave", *extractSubDomain(wave, Box3D(0, N, 0, N, N / 2, N / 2)));
}
